CVE-2013-4630: Stack-based buffer overflow on Huawei AR 150, 200, 1200, 2200, and 3200 routers, when SNMPv3 debugging is e...

Security readout for executives and security teams

This CVE concerns a remote code execution flaw in several Huawei AR router families, triggered when SNMPv3 debugging is enabled. A malformed SNMPv3 request can cause a stack buffer overflow. Business urgency depends on whether affected routers are still deployed and whether SNMP or debugging is reachable from untrusted networks. Exposure is most likely in legacy environments still running Huawei AR 150, 200, 1200, 2200, or 3200 routers with SNMPv3 debugging enabled. Risk is higher if SNMP is reachable from untrusted networks or the internet. The supplied data does not identify affected firmware versions. Prioritize if these Huawei AR routers remain in production, especially at network edges or unmanaged sites. Remote code execution on routing infrastructure can affect availability, traffic control, and downstream security monitoring. If no affected models are present, archive as legacy risk. Mitigation focus: Inventory Huawei AR 150, 200, 1200, 2200, and 3200 routers.; Disable SNMPv3 debugging unless explicitly required.; Restrict SNMP access to trusted management networks only..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.